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The e-waste printed circuit boards (PCBs) are rich in metal content and processing these wastes for extracting the metal values and removing the non-metallic constituents is a prospective proposition.

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This work adopts the principle of “zero burden assumption”, which is frequently used for guiding the evaluations of waste management systems (Biganzoli et al., 2015; Ripa et al., 2017).The system boundaries include all the related processes, such as collection, dismantling, remanufacturing, recycling, incineration, landfill, and as well as transportation of the waste, as shown in Fig. 1.

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